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LM98519VHB/NOPB

10-bit 65 MSPS 6 Channel Imaging Signal Processor

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1 - 9

$ 30.93

10 - 24

$ 28.91

25 - 99

$ 28.00

100 - 100

$ 24.89

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Texas Instruments LM98519VHB/NOPB

The LM98519 is a fully integrated, high performance 10-Bit, 65 MSPS signal processing
solution for digital color copiers, scanners, and other image processing applications. High-speed
signal throughput is achieved with an innovative six channel architecture utilizing Correlated
Double Sampling (CDS), or Sample and Hold (SH) type sampling. 1x or 2x gain settings are available
in the CDS/SH input stage. Each channel has a dedicated 1x to 10x (8 bit) PGA that allows accurate
gain adjustment of each channel. The Digital White Level auto calibration loop can automatically
set the PGA value to achieve a selected white target level. Each channel also has a ±4-bit coarse
and ±10-bit fine analog offset correction DAC that allows offset correction before the
sample-and-hold amplifier. These correction values can be controlled by an automated Digital Black
Level correction loop. The PGA and offset DACs for each channel are programmed independently
allowing unique values of gain and offset for each of the six channels. A 2-to-1 multiplexing
scheme routes the signals to three 65-MHz high performance ADCs. The fully differential processing
channels achieve exceptional noise immunity, having a very low noise floor of 67.5 dB. The 10-bit
analog-to-digital converters have excellent dynamic performance making the LM98519 transparent in
the image reproduction chain.